(of a leaf) palmately veined.
the record produced by the action of an actinograph.
a recording actinometer.
raylike; radiate. Historical Examples Of the lowest among these orders, the actinoid Polyps, our Actinia or sea-anemone is a good example. Seaside Studies in Natural History Elizabeth Cabot Cary Agassiz adjective having a radiate form, as a sea anemone or starfish
a variety of amphibole, occurring in greenish bladed crystals or in masses. Historical Examples The actinolite slate is dark green, and formed by an almost insensible gradation from the mica slate. In the Arctic Seas Francis Leopold McClintock Byssolite, bis′o-līt, n. an olive-green variety of actinolite, in long crystals. Chambers’s Twentieth Century Dictionary (part 1 […]
the science that deals with actinism.